Another Simple Heat Problem

If 18.7 calories are added to 27.3 grams of water at 19.7 oC, what will the final temperature be?

We can see that this problem involves a change in temperature so the correct formula is

Now, let's figure out what we know

As the table shows, we don’t know the change in T. So, we can rearrange the equation to solve for ΔT

Then we can plug in our values and solve

Let's try another...